(China (Mainland))
Product Summary
The HD66841FS is a LCD video interface controller for CRT display into LCD data. It enable a CRT display system to be replaced by an LCD system without any changes, and it also enables software originally intended for CRT display to control an LCD. Since the LVIC-II can control TFT-type LCDs in addition to current TN-type or STN-type LCDs, the HD66841FS can support 8-color display as well as monochrome, 8-level gray-scale display. It can program screen size and can control a large-panel LCD of 720 × 512 dots. The LVIC-II thanks to a gray-scale palette, any 8-levels can be selected from 13 gray-scale levels, depending on the LCD panel used.
Parametrics
HD66841FS absolute maximum ratings: (1)Power supply voltage VCC: –0.3 to +7.0 V; (2)Input voltage Vin: –0.3 to VCC + 0.3 V; (3)Operating temperature Topr:–20 to +75℃; (4)Storage temperature Tstg: –55 to +125℃.
Features
HD66841FS features: (1)Double-height display capability; (2)Generation of display timing signal (DISPTMG) from horizontal synchronization (HSYNC) and vertical synchronization (VSYNC) signals; (3)Control of TN-type, STN-type LCDs and TFT-type LCDs; (4)Internal PLL circuit capable of generating a CRT display dot clock (DOTCLK) (external charge pump, low pass filter (LPF), and voltage controlled oscillator (VCO) required); (5)Gray-scale level selection from gray-scale palette; (6)Maximum operating frequency (dot clock for CRT display) 30 MHz.
Diagrams
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